Home / 39,740.80-59,611.18-10,157.56

Finding the Fourth Proportional to 39,740.80, 59,611.18 and 10,157.56

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Solution

The fourth proportional to 39,740.80, 59,611.18 and 10,157.56 is: 15,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,740.80 : 59,611.18 = 10,157.56 : x
  2. Step 2: Convert to fraction form
    39,740.80/59,611.18 = 10,157.56/x
  3. Step 3: Cross multiply
    39,740.80x = 59,611.18 × 10,157.56
  4. Step 4: Simplify right side
    39,740.80x = 605,504,137.52
  5. Step 5: Solve for x
    x = 605,504,137.52/39,740.80
  6. Step 6: Final answer
    x = 15,236.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.